We examine a setting in which a buyer wishes to purchase probabilistic information from some agent. The seller must invest effort in order to gain access to the information, and m...
This paper presents new interaction techniques that use a laser pointer to directly manipulate applications displayed on a large screen. The techniques are based on goal crossing,...
We study the intrinsic difficulty of solving linear parabolic initial value problems numerically at a single point. We present a worst case analysis for deterministic as well as fo...
The paper describes empirical findings about Chief Information Officers (CIO's) in Germany. Firstly the CIO concept in general is reviewed in brief and other surveys found in...
: When developing a catalogue of technical requirements for online voting systems to be used in legally ruled, non-parliamentary elections, major interdisciplinary problems arise w...